condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.7046428571428571 0.0 11.9325 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 1.7369733333333335 0.0 15.2635 High carbon,Light 0.0 0.0 0.0 Low carbon,Dark 10.9165 10.9165 10.9165 Phloroglucinol 2.80646 0.0 8.41938 Silicon starvation,12h 3.82235 3.82235 3.82235